Drilldown: Patents

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Patents > Grant date: 1920 - 1929 & Number of claims: 2 & Number of figures: 3-5

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Tech fields:
airplane (14) · propellers (7) · frame (7) · wings (5) · propeller (5) · marine (4) · design (4) · aerodynamics (4) · subsystem (4) · construction (4) · safety (3) · parachutes (3) · lift (3) · Instrument (3) · None (3) · airship (3) · chassis (3)
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CPCs:
None (11) · CPC B64F2700/6226 (3) · CPC B64C25/62 (3) · CPC B64C35/00 (3) · CPC B64C23/005 (2) · CPC B64C11/04 (2) · CPC B64C9/00 (2) · CPC B64C11/20 (2) · CPC B64C3/00 (2) · CPC B64C25/06 (2)
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Showing below up to 45 results in range #1 to #45.

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